First part of work to move V8 binding integrity off of vtables.

Source/WebCore/svg/SVGAltGlyphElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 30 matching lines @@
 
 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGAltGlyphElement)
     REGISTER_LOCAL_ANIMATED_PROPERTY(href)
     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTextPositioningElement)
 END_REGISTER_ANIMATED_PROPERTIES
 
 inline SVGAltGlyphElement::SVGAltGlyphElement(const QualifiedName& tagName, Document* document)
     : SVGTextPositioningElement(tagName, document)
 {
     ASSERT(hasTagName(SVGNames::altGlyphTag));
+    ScriptWrappable::init(this);
     registerAnimatedPropertiesForSVGAltGlyphElement();
 }
 
 PassRefPtr<SVGAltGlyphElement> SVGAltGlyphElement::create(const QualifiedName& tagName, Document* document)
 {
     return adoptRef(new SVGAltGlyphElement(tagName, document));
 }
 
 void SVGAltGlyphElement::setGlyphRef(const AtomicString&, ExceptionCode& ec)
 {
@@ skipping 42 matching lines @@
     if (element->hasTagName(SVGNames::altGlyphDefTag)
         && static_cast<SVGAltGlyphDefElement*>(element)->hasValidGlyphElements(glyphNames))
         return true;
 
     return false;
 }
 
 }
 
 #endif // ENABLE(SVG)